Home / 725,738.50-1,000,042.11-561,396.58

Finding the Fourth Proportional to 725,738.50, 1,000,042.11 and 561,396.58

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Solution

The fourth proportional to 725,738.50, 1,000,042.11 and 561,396.58 is: 773,584.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,738.50 : 1,000,042.11 = 561,396.58 : x
  2. Step 2: Convert to fraction form
    725,738.50/1,000,042.11 = 561,396.58/x
  3. Step 3: Cross multiply
    725,738.50x = 1,000,042.11 × 561,396.58
  4. Step 4: Simplify right side
    725,738.50x = 561,420,220,409.98
  5. Step 5: Solve for x
    x = 561,420,220,409.98/725,738.50
  6. Step 6: Final answer
    x = 773,584.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.